import Vue from 'vue'
import VueRouter from 'vue-router'

// 导入组件

import Login from '@/components/Login.vue'
import Home from '@/components/Home.vue'
import Welcome from '@/components/Welcome.vue'
import User from '@/components/User/User.vue'

// 注册路由
Vue.use(VueRouter)

// 路由规则
const routes = [
  {
    path: '/',
    redirect: '/login',
  },
  {
    path: '/login',
    component: Login,
  },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [
      {
        path: '/welcome',
        component: Welcome,
      },
      {
        path: '/users',
        component: User,
      },
    ],
  },
]

const router = new VueRouter({
  routes,
  mode: 'history',
})

// 路由守卫
router.beforeEach((to, from, next) => {
  if (to.path === '/login') return next()
  if (!sessionStorage.getItem('token')) {
    next('/login')
  }
  next()
})

export default router
